diff --git a/UI/Scheduler/UIxCalListingActions.m b/UI/Scheduler/UIxCalListingActions.m
index f6690f080..bb94e7c4f 100644
--- a/UI/Scheduler/UIxCalListingActions.m
+++ b/UI/Scheduler/UIxCalListingActions.m
@@ -75,15 +75,6 @@ static NSArray *tasksFields = nil;
 #define maxBlocks (offsetBlocks * 2)    // maximum number of blocks to search
 // for a free slot (10 days)
 
-@implementation NSArray (SOGoBlocksCompare)
-
-- (NSComparisonResult) compareBlock: (NSArray *) theOtherBlock
-{
-  return [[self objectAtIndex: 5] compare: [theOtherBlock objectAtIndex: 5]];
-}
-
-@end
-
 @implementation UIxCalListingActions
 
 + (void) initialize
@@ -493,7 +484,7 @@ static NSArray *tasksFields = nil;
         }
     }
 
-  [infos sortUsingSelector: @selector(compareBlock:)];
+  [infos sortUsingSelector: @selector(compareEventsStartDateAscending:)];
 
   return infos;
 }